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-   -   FAQ/Bolt Thread and Pitch List (https://rotarycarclub.com/showthread.php?t=599)

vex 06-09-2009 08:52 PM

Quote:

Originally Posted by misterstyx69 (Post 89035)
Thanks!!..Needed that Info BAD!.I just had to Frind all 8 of them off,with 3/4 Full tank..(I need to change my Shorts!.lol!).
Front Diff Mount 17mm...diff mount to Subframe 17mm
Driveshaft and Half shaft bolts 14mm.. rear Axle Nut 34 mm..Flywheel Nut 2-1/8inch or 54 mm.

Pitch would be helpful with those. I'd assume they're standard and as such are probably 1.50 but can't be certain.

vex 06-25-2009 04:54 PM

I need Front diff mount thread and pitch info.

WE3RX7 06-25-2009 09:44 PM

Was 1.25 not correct? If not, you're probably right assuming its 1.5. I would pull one off tomorrow and tell you but I've got my sister's wedding to attend.. if you dont find the answer by sunday night I'll find out for you...

vex 06-26-2009 09:54 AM

Quote:

Originally Posted by WE3RX7 (Post 90627)
Was 1.25 not correct? If not, you're probably right assuming its 1.5. I would pull one off tomorrow and tell you but I've got my sister's wedding to attend.. if you dont find the answer by sunday night I'll find out for you...

I don't know off the top of my head. I tried using an M8 by 1.25 (I think, may have been an M10) but it was too small. I ended up finding the missing nuts caught in the mount itself. Talk about lucky. Now I'm going to go find a shop that can get this taken care of today... hopefully. I don't feel like dropping my subframe at all...

vkjrocker 01-19-2010 12:14 PM

christ this was a big help to me as a beginner haha. THANKS!

incubus 10-01-2010 01:34 AM

I need to know what size the nuts going on the lateral links into the rear subframe.

jtbshaw 02-27-2015 12:13 PM

Anyone know the bolt size & pitch of the two on the front cover of a TII, underneath the CAS? Looks like a 12mm but I don't have any bolts to try in any pitch.

JTB

RETed 02-27-2015 12:23 PM

Bolts for the front oil cover?
Yes, they are all 12mm *hex head*.
5 or 6 of them in total in differing lengths?
12mm hex head are 8mm *thread diameter*.
So it's 8mm x (pitch).
Typically 8mm thread pitch is 1.25, but it could be 1.00 or more rare 0.75.


-Ted

jtbshaw 02-27-2015 12:30 PM

Thanks a bunch for the reply, Ted. However, that's not the bolts I am looking for. On the driver's side of the front cover, directly underneath the CAS, there are two bolt holes. These are the ones I am looking for. I believe the two holes were for an A/C mount or P/S mount.

These are two big bolts, approximately 12mm bolt size, not head size.

JTB

RETed 02-27-2015 05:21 PM

Ah, the ones off the bracket that normally holds the A/C and (optional) power steering pump?


-Ted

jtbshaw 02-27-2015 05:52 PM

I believe that is correct Ted.

Here is a pic (the two directly underneath the CAS, may have been studded from Mazda):

http://i38.photobucket.com/albums/e1...pssx23mjak.jpg

RETed 02-27-2015 07:46 PM

Yeah, if you are asking about the two "missing" fasteners that's in the aluminum part of the bracket - right in the middle of your pic - then those were originally studs.

You still want the thread pitch and diameter of the studs?


-Ted

jtbshaw 02-27-2015 10:09 PM

Yes, I would still like to know the diameter (size) and pitch of the studs?

RETed 03-02-2015 01:30 AM

The "outside" spec is 10mm x 1.25.
I hope the inside thread is the same...

This is the typical 10mm pitch.
Only the exhaust studs are 10mm x 1.50.
The oil metering "valves" are threaded 10mm x 1.00.


-Ted

vex 02-13-2017 03:41 PM

FYI: Bolts for body in/around engine bay are 6M-1.0mm Length unknown, but I have found 12mm full and partial threaded that would suffice. These include the front mounting location of the bumper skin, fenders, etc. I am assuming the lower threads are identical but haven't checked.


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